Home / 26,199.72-36,154.98-15,021

Finding the Fourth Proportional to 26,199.72, 36,154.98 and 15,021

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Solution

The fourth proportional to 26,199.72, 36,154.98 and 15,021 is: 20,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,199.72 : 36,154.98 = 15,021 : x
  2. Step 2: Convert to fraction form
    26,199.72/36,154.98 = 15,021/x
  3. Step 3: Cross multiply
    26,199.72x = 36,154.98 × 15,021
  4. Step 4: Simplify right side
    26,199.72x = 543,083,954.58
  5. Step 5: Solve for x
    x = 543,083,954.58/26,199.72
  6. Step 6: Final answer
    x = 20,728.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.